The book pursues the goal of exploring and strengthening a dialogical approach of communication and cognition. It brings together contributions from world-leading researchers related to the dialogical approach in education and psychology. It presents, among others, the place of language and materiality in the development of communication and thinking, as well as the role of the methods in the relationship between researchers and participants. This leads to an innovative definition of the dialogicality and how a dialogical approach can provide heuristic (conceptual and methodological) tools...